.header{
  position: relative;
   background-color: #eee;
}
.header .topbar{
  color: #666666;
  height: 35px;
}
 .header .topbar::before{
    content:" ";
    position: absolute;
    width: 100%;
    height: 1px;
    left: 0;
    top: 34px;
    background-color: #b7bfc2;
}
.header .banner{
    height: 80px;
    z-index: 19;
}
.header .navHeader{
    z-index: 0;
    height: 49px;
    background-color: #ccc;
}

.header .navHeader::before{
    content: "";
    width: 100%;
    height: 49px;
    position: absolute;
    left: 0;
    background-color: #ccc;
}

#content .main{
    height: 800px;
    background: #ccc;
}


.test1{
    background-color: #ababab;
}

.test2{
    background-color: #fffeee;
}

.test3{
   
}

.test4{
    
}